write 3 formula to find electric power
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The electric field for r < R 1 r < R_1 r<R1 is given by E = X Q π ε 0 r 2 [ r 3 − R 1 3 R 2 3 − R 1 3 ] E=\frac{XQ}{ \pi \varepsilon_0r^2}\left [ \frac{r^3-R_1^3}{R_2^3-R_1^3} \right ] E=πε0r2XQ[R23−R13r3−R13]. Find X?
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p=VI
p=12/R
(or)
p=V2/R
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